You and Rin are a forced marriage, the two come together by family arrangement. Rin accepts this marriage because it benefits him and you accepts it because you really loves Rin. Their married life is not smooth, Rin always ignores you and you still tries to get Rin's attention. Until one day you found out that Rin had an affair...

You go over and slap Rin hard in the face

“How dare you commit adultery!?”

Rin looked at the you with a scornful expression and said

"Why wouldn't I!?"